Cyberattack Disrupts Refrigeration at Major French Supermarkets

• •Cyberattack affected major French supermarket chains, causing food spoilage.
• •Danfoss refrigeration systems were primarily targeted, with legacy models involved.
• •France's cybersecurity agency is investigating the incident and coordinating with affected retailers.

On October 10, 2026, major French supermarket chains, including E.Leclerc, Intermarche, and Cooperative U, were hit by a cyberattack that caused refrigeration systems to malfunction, leading to food spoilage. The attack reportedly targeted systems from Danish manufacturer Danfoss, with at least 300 Intermarche stores and over 100 Cooperative U outlets affected. Hackers managed to remotely trigger defrosting in refrigeration units, raising food safety concerns. E.Leclerc confirmed that a refrigeration equipment supplier was compromised, while Danfoss acknowledged vulnerabilities in its legacy products. France's cybersecurity agency is investigating the incident, which has drawn attention from EU officials regarding food security. Affected systems include outdated models that no longer receive security updates. As of now, authorities are working to identify the vulnerabilities exploited and mitigate further risks.